Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.Note: Click for Watch Status Reports.

SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 223
NWS Storm Prediction Center Norman OK
410 PM CDT Tue May 16 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Minnesota
* Effective this Tuesday afternoon and evening from 410 PM until
1000 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Thunderstorms forming over south-central MN will pose a
risk of large hail and damaging winds during the next few hours.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 30 miles east northeast
of Saint Cloud MN to 30 miles south southeast of Mankato MN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 220...WW 221...WW 222...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25035.
...Hart

SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 223
NWS Storm Prediction Center Norman OK
410 PM CDT Tue May 16 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Minnesota
* Effective this Tuesday afternoon and evening from 410 PM until
1000 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Thunderstorms forming over south-central MN will pose a
risk of large hail and damaging winds during the next few hours.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 30 miles east northeast
of Saint Cloud MN to 30 miles south southeast of Mankato MN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 220...WW 221...WW 222...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25035.
...Hart

For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.